115 lines
2.5 KiB
YAML
115 lines
2.5 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/power/reset/atmel,sama5d2-shdwc.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Microchip AT91 SAMA5D2 SHDWC Shutdown Controller
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maintainers:
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- Claudiu Beznea <claudiu.beznea@microchip.com>
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description: |
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Microchip AT91 SHDWC shutdown controller controls the power supplies VDDIO
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and VDDCORE and the wake-up detection on debounced input lines.
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properties:
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compatible:
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oneOf:
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- items:
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- const: microchip,sama7g5-shdwc
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- const: syscon
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- enum:
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- atmel,sama5d2-shdwc
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- microchip,sam9x60-shdwc
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reg:
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maxItems: 1
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clocks:
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maxItems: 1
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"#address-cells":
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const: 1
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"#size-cells":
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const: 0
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debounce-delay-us:
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description:
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Minimum wake-up inputs debouncer period in microseconds. It is usually a
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board-related property.
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atmel,wakeup-rtc-timer:
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description: enable real-time clock wake-up
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type: boolean
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atmel,wakeup-rtt-timer:
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description: enable real-time timer wake-up
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type: boolean
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patternProperties:
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"^input@[0-15]$":
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description:
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Wake-up input nodes. These are usually described in the "board" part of
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the Device Tree. Note also that input 0 is linked to the wake-up pin and
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is frequently used.
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type: object
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properties:
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reg:
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description: contains the wake-up input index
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minimum: 0
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maximum: 15
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atmel,wakeup-active-high:
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description:
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The corresponding wake-up input described by the child forces the
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wake-up of the core power supply on a high level. The default is to
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be active low.
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type: boolean
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required:
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- reg
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additionalProperties: false
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required:
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- compatible
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- reg
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- clocks
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allOf:
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- if:
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properties:
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compatible:
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contains:
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const: atmel,sama5d2-shdwc
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then:
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properties:
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atmel,wakeup-rtt-timer: false
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additionalProperties: false
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examples:
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- |
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shdwc: poweroff@f8048010 {
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compatible = "atmel,sama5d2-shdwc";
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reg = <0xf8048010 0x10>;
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clocks = <&clk32k>;
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#address-cells = <1>;
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#size-cells = <0>;
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atmel,wakeup-rtc-timer;
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debounce-delay-us = <976>;
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input@0 {
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reg = <0>;
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};
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input@1 {
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reg = <1>;
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atmel,wakeup-active-high;
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};
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};
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...
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